#!/bin/bash

# Installs the SwiftLint package.
# Tries to get the precompiled .pkg file from Github, but if that
# fails just recompiles from source.

set -e

SWIFTLINT_PKG_PATH="/tmp/SwiftLint.pkg"
SWIFTLINT_PKG_URL="https://github.com/realm/SwiftLint/releases/download/0.39.2/SwiftLint.pkg"

wget --output-document=${SWIFTLINT_PKG_PATH} ${SWIFTLINT_PKG_URL}

if [[ -f ${SWIFTLINT_PKG_PATH} ]]; then
    echo "SwiftLint package exists. Installing it..."
    sudo installer -pkg ${SWIFTLINT_PKG_PATH} -target /
else
    echo "SwiftLint package doesn't exist. Compiling from source..." &&
    git clone https://github.com/realm/SwiftLint.git /tmp/SwiftLint &&
    cd /tmp/SwiftLint &&
    git submodule update --init --recursive &&
    sudo make install
fi
